First off, as your water sits, especially if it’s uncovered for eight or more hours, the carbon dioxide in the air starts to mix with it. Thischemical reactionwill result in the formation of weak acid, reducing
Is swimming in cold water okay for my heart?The article provides an answer to whether swimming in cold water is good for the heart.FerrignoAssociateMassimoAssociateEBSCO_AspHarvard Heart Letter
2. The cat is under the chair. (猫在椅子下面。) 3. Go straight ahead. (直走。) 4. Turn left. (向左转。) 5. It's behind the sofa. (它在沙发后面。) 十七、交通与出行 1. I ride the bus to school. (我乘巴士去学校。) 2. Let's take a train. (我们坐火车吧。) 3. I see ...
Grandpa Higgins came from the kitchen carrying a sandwich. "You don 't sound okay," he said as he took a 20___. Should Jack tell Grandpa the truth? What could it hurt? He quickly 21___ they should do a class project for the weekend a...
To go there, you should take the bus at Grand Hotel over there. Text 2 【原文】M: Can I help you? W: I'm looking for a size twelve dress. M: Oh, let me see. An eight, a ten. Ah, you're lucky. I have the prettiest dress here in a twelve. Why don't you try it on...
She sees no reason not to say plainly that I have caught her in the middle of a rough patch. “I don’t see why I shouldn’t be honest about it. In my career right now I feel really stable, really hopeful. But I’ve had a tough two months. I haven’t been myself, and my ...
All their ability can be brought out as long as it is ___ in the right place. Actually, we could not afford to ___ anyone of our team, or we won’t win. When we are rowing, we are a big ___ . Now we are ready for the coming dragon boat race. 1. A.game B.place C.ru...
Students have class in the morning. They learn things like this: How can you take a beautiful photo of a person or something in nature? When is it good to take a black and white photo? In the afternoon, they go out and take lots of pictures. Then they learn to choose the best ones...
It was a beautiful Saturday morning, a perfect morning for playing or swimming. However, Tom had to finish the work Aunt Polly gave him. As Tom started to paint Aunt Polly’s very long fence, along came Ben Rogers with a juicy apple in his hand. Tom was silent. He focused on his pa...
A. At the back. B. In the middle. C. At the front. 13. How much did they pay? A. 30 yuan. B. 36 yuan. C. 60 yuan. 14. What’s the movie about? A. It’s about a girl’s city life. B. It’s about ...